45443315450 has 48 divisors (see below), whose sum is σ = 92049342840. Its totient is φ = 16590520320.

The previous prime is 45443315447. The next prime is 45443315461. The reversal of 45443315450 is 5451334454.

It can be written as a sum of positive squares in 12 ways, for example, as 419143729 + 45024171721 = 20473^2 + 212189^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 334919 + ... + 450618.

Almost surely, 2^45443315450 is an apocalyptic number.

45443315450 is an abundant number, since it is smaller than the sum of its proper divisors (46606027390).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45443315450 is a wasteful number, since it uses less digits than its factorization.

45443315450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 785651 (or 785646 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 38.

The spelling of 45443315450 in words is "forty-five billion, four hundred forty-three million, three hundred fifteen thousand, four hundred fifty".